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  • Title: Developmental changes in collagen glycosyltransferase activities in chick embryos.
    Author: Risteli L.
    Journal: Biochim Biophys Acta; 1977 May 26; 497(3):673-81. PubMed ID: 560872.
    Abstract:
    The developmental pattern of collagen galactosyltransferase and collagen glucosyltransferase activities was determined in chick embryos between the 4th and 21st day of growth. Both enzyme activities increased up to the 16th day and decreased thereafter in whole chick embryos and in most tissues studied. The highest collagen glycosyltransferase activities were found in the leg tendons of the 16-day-old embryos, and the activities found in cartilage were higher than those noted in either skin or skull, indicating that the the activities of the collagen glycosyltransferases may play a part in the regulation of the carbohydrate content of the collagen synthesized by a given tissue. The changes observed in the collagen glycosyltransferase activities agree with previous data on the development of prolyl and lysyl hydroxylase activities and also with findings on collagen turnover in the developing chick embryo.
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